What is the monthly cost of Tirzepatide compared to Retatrutide?

Branded Tirzepatide (Mounjaro/Zepbound) costs $900-1200 monthly without insurance. Compounded Tirzepatide ranges $300-500. Retatrutide is research-phase only, typically $400-700 compounded. <a href='https://www.fda.gov/drugs/human-drug-compounding/compounding-and-fda-questions-and-answers' target='_blank'>FDA compounding info</a>